Visual test strip



FIG. 1 is a front elevational view of a visual test strip, showing ournew design;

FIG. 2 is a top plan view thereof, the bottom plan view being a mirrorimage;

FIG. 3 is a right side elevational view thereof, the left sideelevational view being a mirror image; and,

FIG. 4 is a rear elevational view thereof.

The ornamental design for a visual test strip, as shown and described.